Neovidya - Neovidya provides structured access to high-quality educational content.
Future Angel Investor Course - A free & comprehensive course on how to angel invest online
Flowkit - Sketch library for user flows/content maps/annotations
Programming for Marketers - Free email course for wannabe technical marketers
Sketch Tricks - Articles for Sketch
Build An Online Course - A free course about, you guessed it, building a course!